In Python, dictionaries are unordered collections of key-value pairs. Sometimes, we need to sort a dictionary either by its keys or by its values. This can be done easily using the built-in sorted() function.<\/p>\n
# Example dictionary\nd = {'a': 3, 'c': 1, 'b': 2}\n\n# Sort dictionary items by value\nsorted_by_val = sorted(d.items(), key=lambda x: x[1])\nprint(sorted_by_val) # [('c', 1), ('b', 2), ('a', 3)]\n\n# Sort dictionary items by key\nsorted_by_key = sorted(d.items(), key=lambda x: x[0])\nprint(sorted_by_key) # [('a', 3), ('b', 2), ('c', 1)]<\/pre>\nOutput:<\/p>\n
[('c', 1), ('b', 2), ('a', 3)]\n[('a', 3), ('b', 2), ('c', 1)]<\/pre>\n <\/p>\n","protected":false},"excerpt":{"rendered":"
In Python, dictionaries are unordered collections of key-value pairs. Sometimes, we need to sort a dictionary either by its keys or by its values. This can be done easily using the built-in sorted() function. # Example dictionary d = {‘a’: 3, ‘c’: 1, ‘b’: 2} # Sort dictionary items by value sorted_by_val = sorted(d.items(), key=lambda […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_lmt_disableupdate":"yes","_lmt_disable":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[2],"tags":[3],"class_list":["post-10320","post","type-post","status-publish","format-standard","hentry","category-python","tag-python"],"modified_by":"gantovnik","jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8bH0k-2Gs","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":1682,"url":"https:\/\/gantovnik.com\/bio-tips\/2022\/11\/210-parametric-curve-in-3d-2-2-2-2-2-2-2-2-2-2-2-2-2-3-3-2-2-3-2-2-5\/","url_meta":{"origin":10320,"position":0},"title":"#318 Use lambda as sorting key in python","author":"gantovnik","date":"2022-11-22","format":false,"excerpt":"One of the most common situations where a lambda comes in handy is when specifying a key function, which is a callable that returns the part of a collection or object that should be used for sorting. 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